close all;clc;clear all

angles=[-60 60
    -15 15
    0 5
    85 90
    65 90
    180 175];

figure('position',[100 100 600 300])
titles={'A. Front, −60^{o}&+60^{o}','B. Front, −15^{o}&+15^{o}','C. Front, 0^{o}&+5^{o}','D. Side, +85^{o}&+90^{o}','E. Side, +65^{o}&+90^{o}','F. Back, +180^{o}&+175^{o}'};
for iplot=1:6
    subplot(2,3,iplot)
    s=plot(0,0,'Ok');set(s,'markersize',64)
    axis square; axis off;hold on;
    axis([-0.1 0.1 -0.1 0.1]);
    r=0.087;pc='rb';
    for i=1:2
        xx = r.*sin(angles(iplot,i)./180.*pi);
        yy = r.*cos(angles(iplot,i)./180.*pi);
        s=plot(xx,yy,['o' pc(i)])
        set(s,'markersize',6,'markerfacecolor',pc(i))
        hold on;
        title(titles{iplot})
    end
    if iplot==6
        s=plot(0.1,0.08,['or'])
        set(s,'markersize',7,'markerfacecolor','r')
        s=plot(0.1,0.04,['ob'])
        set(s,'markersize',7,'markerfacecolor','b')
        text(0.13,0.08,'Target');
        text(0.13, 0.04,'Noise')
    end
end
        exportgraphics(gcf, 'BB_Figure1_circles.png', 'Resolution', 600,'ContentType', 'vector')